These plants have colorful bloom spikes for the back of a border, in screens, against a fence or wall alongside gateposts, or framing an entryway. Hollyhocks may be tall (4-6 feet) or dwarf (about 2 feet). They have stiff stems, maple-like foliage and, in summer, spikes of single or double blooms, 3-6 inches wide, in all colors (except blue). Old-fashioned types display bell-shaped petals, while modern types are more often fringed, ruffled, or doubled